74102611131261 has 12 divisors (see below), whose sum is σ = 107037482303388. Its totient is φ = 49401566599104.

The previous prime is 74102611131193. The next prime is 74102611131317. The reversal of 74102611131261 is 16213111620147.

74102611131261 is a `hidden beast` number, since 7 + 4 + 1 + 0 + 2 + 611 + 1 + 31 + 2 + 6 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 33028227386361 + 41074383744900 = 5747019^2 + 6408930^2 .

It is not a de Polignac number, because 74102611131261 - 2⁹ = 74102611130749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74102611132261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11791240 + ... + 16948113.

It is an arithmetic number, because the mean of its divisors is an integer number (8919790191949).

Almost surely, 2^{74102611131261} is an apocalyptic number.

It is an amenable number.

74102611131261 is a deficient number, since it is larger than the sum of its proper divisors (32934871172127).

74102611131261 is a wasteful number, since it uses less digits than its factorization.

74102611131261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29025852 (or 29025849 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 74102611131261 in words is "seventy-four trillion, one hundred two billion, six hundred eleven million, one hundred thirty-one thousand, two hundred sixty-one".